The San Francisco Seals were a minor league baseball team in San Francisco, California, that played in the Pacific Coast League from 1903 until 1957 before transferring to Phoenix, Arizona. They were named for the abundant California Sea Lion and Harbor Seal populations in the Bay Area. The Seals finished out the 1906 season playing home games at Freeman's Park in Oakland. A new Recreation Park was constructed at 14th and Valencia Streets for the 1907 season. The Seals won their first PCL pennant in 1909, finishing 13½ games over the runner-up Beavers. They won flags also in 1915, 1917, 1922, 1923 and 1925.